The facial action coding system has many promising applications, Mona Lisa has 83% of happiness 9% disgust 6% fearful and 2% ssanger. According to some new computer software that can reconize emotion the sofware is the latest innovation from prof. Thomas Huang, of the beckman institute for advanced science at the unversity of amsterdam. The process begins when the computar constructs a 3-D computar model of the face: All 44 mayjor muscles in the model must move like human muscles movement of one or more muscles in the model is called an "action unit" then Dr. Huang relies on the work of psychologist, such as Dr. Paul Eckman, creator of FACS. Eckman has classified six basic emotions happiness, surprise, anger, disgust, fear, and sadness and then associated each with characteristics movements of the facial muscle. I think i like the new technology that the person invented it can detect your emotins and feelings. And i doubt others can invent something like that